Home / 39,352.69-54,305.97-21,447.82

Finding the Fourth Proportional to 39,352.69, 54,305.97 and 21,447.82

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Solution

The fourth proportional to 39,352.69, 54,305.97 and 21,447.82 is: 29,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.69 : 54,305.97 = 21,447.82 : x
  2. Step 2: Convert to fraction form
    39,352.69/54,305.97 = 21,447.82/x
  3. Step 3: Cross multiply
    39,352.69x = 54,305.97 × 21,447.82
  4. Step 4: Simplify right side
    39,352.69x = 1,164,744,669.49
  5. Step 5: Solve for x
    x = 1,164,744,669.49/39,352.69
  6. Step 6: Final answer
    x = 29,597.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.